I encountered a security problem... SUPR3HardenedMain suplibOsInit VERR_SUPDRV_HARDENING_EVIL_HANDLE... when attempting to launch a VM on Windows 10 Technical Preview (which is available to everyone as a free download, as of yesterday).

Is there any chance you can put in a fix for this? I'd like to be able to test VirtualBox VMs on the new OS.

The error is:23f4.1c6c: SUPR3HardenedMain: Final process, opening VBoxDrv...23f4.1c6c: Error -3738 in suplibOsInit! (enmWhat=3)23f4.1c6c: VERR_SUPDRV_HARDENING_EVIL_HANDLE... and the error message also says:Make sure the kernel module has been loaded successfully.

I'll attach the screenshot, as well as the full log.I hope you plan on fixing this, so your dedicated testers can test even on newer OS's!

I've loaded four different .vdi (win7, winXP, win2008, ubuntu 10), that have been worked fine in different computer(linux) previously.

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With build 4.3.16-95972 (The one provided in the main website):

Only ubuntu loaded sometimes for first time, but when rebooting it, I got Fyle system errors such this: "file system error -1073741502"

- After multiple repair/reinstall/reboot from my real win7 I got error when opening other programms: "The application was unable to start correctly (0xc0000142)"

- Also got bluescreen of death when loading win2008.

- The most common issue was the "creating process for virtual machine vmname (GUI/Qt)"hanged in a 0% value as infinite loop. It was related to other error "an unexpected process (pid=0x00000C74) has tried to lock the machine xxxxx, while only the process started by LaunchVMProcess (PID=0x00000F94) is allowed.

- Other issue when loading a .vdi, the mouse freezes and it blocks real machine and everything, forcing me to power off.

- Twice got "intel VT-x" loading issues, but anymore after.

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With the build 4.3.17-96101 (The #3 build you've provided):

- I loaded my .vdi "ubuntu 10", it loaded sucessfully the first time. But the second time I got blue screen of death on my win7(real machine).After reboot, I deleted it, and made another "ubuntu 10", which has no problems whilst loading.

After it, everything went fine with the other four machines(win7, winXP, u10, win2008)~~~~~~~~~~~~~~

other version which got the same error:VirtualBox-4.3.17-96101-Win.exeVirtualBox-4.3.16-95972-Win.exeVirtualBox-4.3.14-95030-Win.exe

My host computer runs:Windows 7 ultimate sp1 64bits

Anti-virus Software: Microsoft Security Essentials

Turn on an existing VM show error:The virtual machine 'w7x64' has terminated unexpectedly during startup with exit code -1073741819 (0xc0000005). More details may be available in 'VBoxStartup.log'. code: E_FAIL (0x80004005) Machine IMachine {480cf695-2d8d-4256-9c7c-cce4184fa048}

I've have tried to install this version with and without administrator privileges, with my anti-virus (AVG Free) enabled and disabled and internet access enabled and disabled I've even completely cleaned my drive and registry of all things VirtualBox but not luck.

Well... the problem that we are seeing in Windows 10 Technical Preview, is specifically caused by the hardened security added after VirtualBox 4.3.12. It is relevant.I would think they would want to fix it, especially if it is a simple issue, which it very well could be.

At the very least, I'd like a response on the nature of the issue, how difficult it may be to fix, and an estimated time on the fix.There's a thread of other people complaining about it, too, so I'm not the only one.

In your picture, I see a strange overlay on the window titlebar, providing an up-arrow options and a pin button. What program does that?Keep in mind, the VirtualBox hardened security will trip up on more than just antivirus -- it can trip up on anything that "intercepts and injects" normal Windows operations (including drawing a titlebar!).Please identify that titlebar program, and consider testing to see if uninstalling it and restarting your PC, would make VirtualBox work, thus indicating VirtualBox's problem would be with that program.